Parameters            Units                             Enromic® 20%
          Enrofloxacin         Ciprofloxacin
Cmax µg mL-1 1.319 ± 0.320 0.047 ± 0.010
Tmax h 3.500 ± 1.581 9.200 ± 1.932
λZ h-1 0.077 ± 0.018 0.044 ± 0.005
AUC0→t µg h mL-1 17.640 ± 3.041 1.004 ± 0.137
AUC0→∞ µg h mL-1 17.821 ± 3.020 1.027 ± 0.138
AUMC µg h2 mL-1 235.005 ± 63.683 19.665 ± 3.402
MRT h 13.087 ± 1.778 17.283 ± 1.785
t1/2,z h 9.487 ± 2.118 15.990 ± 1.856
Vd/F L Kg-1 5.601 ± 0.970  
CLS/F L Kg-1 h-1 0.430 ± 0.063  
Cmax: Maximum concentration in pigs plasma; Tmax: Time when maximum concentration was obtained. AUC0→t: Area under the concentration-time curve from the time zero to 77 h; AUC0→∞: Area under the concentration-time curve from the time zero to infinity in pigs plasma; AUMC: Area under the first moment concentration-time curve; MRT: Mean residue time of drug in body; λZ : Terminal slope of the drug concentration-time curve; t1/2,z: Half-life of the drug; CLs/F : Total body clearance; Vd/F: Apparent volume of distribution.
Table 3: Pharmacokinetic parameters that describe the disposition of Enrofloxacin and its metabolite Ciprofloxacin in pigs plasma (n=10) after single intramuscular injection of Enromic® 20% DU (7.5 mg kg-1 of ENR).
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